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[Characterization of species of the gender Malassezia in patients with seborrheic dermatitis and subjects without skin lesions].
Rev Med Chil. 2003 Nov; 131(11):1295-300.RM

Abstract

BACKGROUND

The yeast Malassezia spp has an established etiological role in pityriasis versicolor, folliculitis, systemic infections and onychomycosis.

AIM

To assess the presence of Malassezia spp in patients with seborrheic dermatitis (SD), to find a correlation between Malassezia spp count and the severity of the disease and to compare the prevalence of the different Malassezia species in SD patients and subjects without skin lesions.

PATIENTS AND METHODS

Scrapings of the face from 81 patients with SD (69 males) and 79 subjects (54 males) without skin lesions were obtained for a direct microscope examination and yeast culture.

RESULTS

The yeast Malassezia was found in 76% of SD patients and in 82% of subjects without skin lesions. There was a positive correlation between the number of yeasts found on direct examination and the clinical severity of lesions in SD patients. Although this correlation was statistically significant (P = 0.046), the degree of association (rho = 0.22) was weak. Fifty Malassezia species were identified. M globosa was found in 67% of SD patients, followed by M furfur and M sympodialis, each present in 16.5% of the SD patients. In subjects without skin lesions, the most prevalent species were M globosa (77%), followed by M sympodialis (12%), M slooffiae (7%) and M furfur (4%).

CONCLUSIONS

The presence of the yeast Malassezia is not associated with the presence of skin lesions.

Authors+Show Affiliations

Servicio de Dermatología, Hospital Clínico San Borja-Arriarán. erendic@hotmail.comNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

spa

PubMed ID

14743691

Citation

Rendic, Elizabeth, et al. "[Characterization of Species of the Gender Malassezia in Patients With Seborrheic Dermatitis and Subjects Without Skin Lesions]." Revista Medica De Chile, vol. 131, no. 11, 2003, pp. 1295-300.
Rendic E, Díaz C, Fich F. [Characterization of species of the gender Malassezia in patients with seborrheic dermatitis and subjects without skin lesions]. Rev Med Chil. 2003;131(11):1295-300.
Rendic, E., Díaz, C., & Fich, F. (2003). [Characterization of species of the gender Malassezia in patients with seborrheic dermatitis and subjects without skin lesions]. Revista Medica De Chile, 131(11), 1295-300.
Rendic E, Díaz C, Fich F. [Characterization of Species of the Gender Malassezia in Patients With Seborrheic Dermatitis and Subjects Without Skin Lesions]. Rev Med Chil. 2003;131(11):1295-300. PubMed PMID: 14743691.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Characterization of species of the gender Malassezia in patients with seborrheic dermatitis and subjects without skin lesions]. AU - Rendic,Elizabeth, AU - Díaz,Cristina, AU - Fich,Félix, PY - 2004/1/28/pubmed PY - 2004/4/10/medline PY - 2004/1/28/entrez SP - 1295 EP - 300 JF - Revista medica de Chile JO - Rev Med Chil VL - 131 IS - 11 N2 - BACKGROUND: The yeast Malassezia spp has an established etiological role in pityriasis versicolor, folliculitis, systemic infections and onychomycosis. AIM: To assess the presence of Malassezia spp in patients with seborrheic dermatitis (SD), to find a correlation between Malassezia spp count and the severity of the disease and to compare the prevalence of the different Malassezia species in SD patients and subjects without skin lesions. PATIENTS AND METHODS: Scrapings of the face from 81 patients with SD (69 males) and 79 subjects (54 males) without skin lesions were obtained for a direct microscope examination and yeast culture. RESULTS: The yeast Malassezia was found in 76% of SD patients and in 82% of subjects without skin lesions. There was a positive correlation between the number of yeasts found on direct examination and the clinical severity of lesions in SD patients. Although this correlation was statistically significant (P = 0.046), the degree of association (rho = 0.22) was weak. Fifty Malassezia species were identified. M globosa was found in 67% of SD patients, followed by M furfur and M sympodialis, each present in 16.5% of the SD patients. In subjects without skin lesions, the most prevalent species were M globosa (77%), followed by M sympodialis (12%), M slooffiae (7%) and M furfur (4%). CONCLUSIONS: The presence of the yeast Malassezia is not associated with the presence of skin lesions. SN - 0034-9887 UR - https://www.unboundmedicine.com/medline/citation/14743691/[Characterization_of_species_of_the_gender_Malassezia_in_patients_with_seborrheic_dermatitis_and_subjects_without_skin_lesions]_ L2 - https://medlineplus.gov/dandruffcradlecapandotherscalpconditions.html DB - PRIME DP - Unbound Medicine ER -